Patents by Inventor Wen-Dung Chang

Wen-Dung Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Knock-Down Hamper
    Publication number: 20230347956
    Abstract: A hamper has a fabric bag, and a supporting frame assembly that has a foldable wall assembly, a base and a top frame. The foldable wall assembly has a rear frame, a left frame a right frame. The base has a rear side that is pivotally connected with the bottom side of the rear frame, with the left and right sides of the base removably coupled to the bottom sides of the left frame and the right frame, respectively. The top frame has a rear side that is removably coupled to the top side of the rear frame, with the left and right sides of the top frame removably coupled to the top sides of the left frame and the right frame, respectively. The fabric bag has four side walls, each side wall having a lip extending around the upper edge of each side wall, and four vertical corner sleeve pockets.
    Type: Application
    Filed: June 20, 2023
    Publication date: November 2, 2023
    Applicant: Seville Classics Inc.
    Inventors: Edwin Ho, Wen-Dung Chang
  • Knock-down hamper
    Patent number: 11702121
    Abstract: A hamper has a fabric bag, and a supporting frame assembly that has a foldable wall assembly, a base and a top frame. The foldable wall assembly has a rear frame, a left frame a right frame. The base has a rear side that is pivotally connected with the bottom side of the rear frame, with the left and right sides of the base removably coupled to the bottom sides of the left frame and the right frame, respectively. The top frame has a rear side that is removably coupled to the top side of the rear frame, with the left and right sides of the top frame removably coupled to the top sides of the left frame and the right frame, respectively. The fabric bag has four side walls, each side wall having a lip extending around the upper edge of each side wall, and four vertical corner sleeve pockets.
    Type: Grant
    Filed: November 20, 2022
    Date of Patent: July 18, 2023
    Assignee: Serille Classics, Inc.
    Inventors: Edwin Ho, Wen-Dung Chang
  • Knock-Down Hamper
    Publication number: 20230079350
    Abstract: A hamper has a fabric bag, and a supporting frame assembly that has a foldable wall assembly, a base and a top frame. The foldable wall assembly has a rear frame, a left frame a right frame. The base has a rear side that is pivotally connected with the bottom side of the rear frame, with the left and right sides of the base removably coupled to the bottom sides of the left frame and the right frame, respectively. The top frame has a rear side that is removably coupled to the top side of the rear frame, with the left and right sides of the top frame removably coupled to the top sides of the left frame and the right frame, respectively. The fabric bag has four side walls, each side wall having a lip extending around the upper edge of each side wall, and four vertical corner sleeve pockets.
    Type: Application
    Filed: November 20, 2022
    Publication date: March 16, 2023
    Applicant: Seville Classics Inc.
    Inventors: Edwin Ho, Wen-Dung Chang
  • Knock-down hamper
    Patent number: 11511784
    Abstract: A hamper has a fabric bag, and a supporting frame assembly that has a foldable wall assembly, a base and a top frame. The foldable wall assembly has a rear frame, a left frame a right frame. The base has a rear side that is pivotally connected with the bottom side of the rear frame, with the left and right sides of the base removably coupled to the bottom sides of the left frame and the right frame, respectively. The top frame has a rear side that is removably coupled to the top side of the rear frame, with the left and right sides of the top frame removably coupled to the top sides of the left frame and the right frame, respectively. The fabric bag has four side walls, each side wall having a lip extending around the upper edge of each side wall, and four vertical corner sleeve pockets.
    Type: Grant
    Filed: December 20, 2020
    Date of Patent: November 29, 2022
    Assignee: Seville Classics, Inc
    Inventors: Edwin Ho, Wen-Dung Chang
  • Knock-Down Hamper
    Publication number: 20220194452
    Abstract: A hamper has a fabric bag, and a supporting frame assembly that has a foldable wall assembly, a base and a top frame. The foldable wall assembly has a rear frame, a left frame a right frame. The base has a rear side that is pivotally connected with the bottom side of the rear frame, with the left and right sides of the base removably coupled to the bottom sides of the left frame and the right frame, respectively. The top frame has a rear side that is removably coupled to the top side of the rear frame, with the left and right sides of the top frame removably coupled to the top sides of the left frame and the right frame, respectively. The fabric bag has four side walls, each side wall having a lip extending around the upper edge of each side wall, and four vertical corner sleeve pockets.
    Type: Application
    Filed: December 20, 2020
    Publication date: June 23, 2022
    Applicant: Seville Classics Inc.
    Inventors: Edwin Ho, Wen-Dung Chang